[CASSANDRA-17144] Fix test TestHintedHandoff#test_hintedhandoff_window

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.1-beta1, 4.1.x, 5.0-alpha1, 5.0
• Component/s: Test/dtest/python
• Bug Category: Correctness - Test Failure
• Severity: Normal
• Complexity: Normal
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.1-alpha1

Source Control Link

https://github.com/apache/cassandra-dtest/commit/eb4c12f2ade07ab8beaa12a4d70bec99dd1a6ebb

Test and Documentation Plan

updated dtest

• Assignee: Stefan Miklosovic
• Reporter: David Capwell

Authors

Stefan Miklosovic

Reviewers

Brandon Williams, Caleb Rackliffe

• Created: 13/Nov/21 01:02
• Updated: 12/Sep/23 13:02
• Resolved: 08/Jun/22 09:13

Description

This test fails from time to time (see butler https://butler.cassandra.apache.org/#/ci/upstream/workflow/Cassandra-trunk/failure/hintedhandoff_test/TestHintedHandoff/test_hintedhandoff_window)

Example: https://app.circleci.com/pipelines/github/dcapwell/cassandra/1101/workflows/7afb1c7e-8330-4ac6-963d-d7864282f2f3/jobs/7877

        # Ensure second and third datasets are not present
        for x in range(100, 300):
>           query_c1c2(session, x, ConsistencyLevel.ONE, tolerate_missing=True, must_be_missing=True)

hintedhandoff_test.py:264: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
tools/data.py:44: in query_c1c2
    assertions.assert_length_equal(rows, 0)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

object_with_length = [Row(c1='value1', c2='value2')], expected_length = 0

    def assert_length_equal(object_with_length, expected_length):
        """
        Assert an object has a specific length.
        @param object_with_length The object whose length will be checked
        @param expected_length The expected length of the object
    
        Examples:
        assert_length_equal(res, nb_counter)
        """
        assert len(object_with_length) == expected_length, \
            "Expected {} to have length {}, but instead is of length {}"\
>           .format(object_with_length, expected_length, len(object_with_length))
E       AssertionError: Expected [Row(c1='value1', c2='value2')] to have length 0, but instead is of length 1

tools/assertions.py:269: AssertionError

Issue Links

• is a parent of: CASSANDRA-17891 Fix hintedhandoff_test.py::TestHintedHandoff::test_hintedhandoff_window